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Finding the Fourth Proportional to 1,865.75, 2,799.05 and 941.27

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Solution

The fourth proportional to 1,865.75, 2,799.05 and 941.27 is: 1,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.75 : 2,799.05 = 941.27 : x
  2. Step 2: Convert to fraction form
    1,865.75/2,799.05 = 941.27/x
  3. Step 3: Cross multiply
    1,865.75x = 2,799.05 × 941.27
  4. Step 4: Simplify right side
    1,865.75x = 2,634,643.09
  5. Step 5: Solve for x
    x = 2,634,643.09/1,865.75
  6. Step 6: Final answer
    x = 1,412.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.